Enhancers work by serving as binding sites for transcription factors--proteins that regulate transcription.<span> Enhancers lead to the production of regulatory proteins. The proteins bind to regulatory sites of DNA, triggering transcription of cell-specific proteins.</span>
The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelope them.
Answer:
They are called psycrophiles or cryophiles.
The spinal cord and the brain make up the central nervous system, and spinal cord nerves carry most messages between the brain and the rest of the body.
The vagus nerve carries the signal from the brain to the heart.
Answer:
I think it's D I could be wrong but that's what I'm thinking